CN103013297B - A kind of Environment-friendlyepoxy epoxy resin paint for transformer - Google Patents
A kind of Environment-friendlyepoxy epoxy resin paint for transformer Download PDFInfo
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- CN103013297B CN103013297B CN201210534322.5A CN201210534322A CN103013297B CN 103013297 B CN103013297 B CN 103013297B CN 201210534322 A CN201210534322 A CN 201210534322A CN 103013297 B CN103013297 B CN 103013297B
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Abstract
The invention discloses a kind of Environment-friendlyepoxy epoxy resin paint for transformer, it is made up of the raw material of following weight parts: modified epoxy 118-125, resol 18-26, alkenyl succinic acid ester 13-18, PDDA 3-4, pentaerythritol triacrylate 1-2, anilinomethyl triethoxysilane 0.3-0.6, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.3-0.4, polyethyl acrylate 0.9-1.2, polyacrylic acid 1-2, benzoyl peroxide 0.2-0.4, 2, 6-ditertbutylparacresol 0.2-0.6, defoamer polydimethylsiloxane 0.1-0.2.Present invention employs modification finished product prepared by modified epoxy as main filmogen, whole smooth production process is easily controlled, and finished product consistence significantly improves, and lot stability is good; Select PDDA and pentaerythritol triacrylate as solvent, finished product smell is significantly improved, and decreases environmental pollution to production and application.
Description
Technical field
The present invention relates generally to a kind of Environment-friendlyepoxy epoxy resin paint for transformer, belongs to chemical field.
Background technology
Epoxy resin-based paint, owing to having excellent moisture-proof anti-deformation, is widely used in the manufacture of special coil (as DY coil, power tool coil, various transformer winding) wire rod.The epoxy resin-based paint of produced in conventional processes is adopted to there is following defect: employing general industry phenol, dimethylbenzene make solvent, and smell is large, and pungency is strong, contaminate environment; Building-up process is difficult to control molecular weight, causes paint matter batch inequality, affects lot stability; Technique amplitude is little, and when application coats wire rod, furnace temperature/influence of rotation speed is very large, requires high to application, is difficult to form smooth finish surface; Cohesive force is less than normal, poor heat resistance.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of Environment-friendlyepoxy epoxy resin paint for transformer.
The present invention is achieved by the following technical solutions:
A kind of Environment-friendlyepoxy epoxy resin paint for transformer, is characterized in that it is made up of the raw material of following weight parts:
Modified epoxy 118-125, resol 18-26, alkenyl succinic acid ester 13-18, PDDA 3-4, pentaerythritol triacrylate 1-2, anilinomethyl triethoxysilane 0.3-0.6, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.3-0.4, polyethyl acrylate 0.9-1.2, polyacrylic acid 1-2, benzoyl peroxide 0.2-0.4,2,6 ditertiary butyl p cresol 0.2-0.6, defoamer polydimethylsiloxane 0.1-0.2.
The preparation method of described Environment-friendlyepoxy epoxy resin paint for transformer, is characterized in that comprising the following steps:
(1) preparation of modified epoxy: comprise the following steps:
Take following raw materials in part by weight: E-20 epoxy resin 65-71, dicumyl peroxide 5-6, maleic acid anhydride 4-5, glycerine 3-5, nano-calcium carbonate 8-10, methoxypolyethylene glycol 3-5;
By the E-20 epoxy resin of above-mentioned weight part, dicumyl peroxide, methoxypolyethylene glycol mixing adds in high-speed mixer, mixing machine stirring velocity is risen at a high speed by low speed, when mixture temperature rises to 80-85 DEG C gradually, add the maleic acid anhydride of above-mentioned weight part, nano-calcium carbonate, stir after within 1-2 minute, making to mix, the glycerine adding above-mentioned weight part again continues to stir 1-2 minute, drip vinyl three ('beta '-methoxy oxyethyl group) silane of methoxypolyethylene glycol weight 1-1.5% and the anilinomethyl triethoxysilane of 2-4%, be warming up to 100-110 DEG C, reaction 2-4 hour, lower the temperature and obtain modified epoxy,
(2) by formulation weight part, each raw material is mixed, be heated to 80-88 DEG C, stirring reaction 40-60 minute;
(3) cool, grinding, filter, obtain described Environment-friendlyepoxy epoxy resin paint for transformer.
A kind of Environment-friendlyepoxy epoxy resin paint for transformer, it with dipping paint method is on the transformer:
(1) Environment-friendlyepoxy epoxy resin paint for transformer of the present invention is poured in proportion container, slowly add pentaerythritol triacrylate dilution, measure viscosity with BZ-4 cup, after meeting required viscosity, stop dilution, the paint prepared is poured in immersion trough;
(2) neat for transformer is placed on dipping sieve;
(3) transformer sequenced dipping sieve is hung in immersion trough and soaks 4-6 minute, then hang out and drip a paint 8-10 minute;
(4) being placed in dripping the complete plug-pin transformer of paint on the iron sieve with iron plate, then iron sieve in layer being stacked on walkie fork lift truck, then pushing and dry in baking oven, at temperature is 75-95 DEG C, dries 2-2.5 hour; Drip the complete terminal line formula transformer of paint and to be suspended on shelf the air-dry 1.5-2 hour in ventilation, then push and dry in baking oven, at temperature is 65-85 DEG C, dry 2-2.5 hour;
(5) outlet cleaning: by the transformer outlet while hot after drying, know transformer remaining paint everywhere and paint knurl, simultaneously iron nameplate and label while hot.
Transformer should while hot by wire arranging to the transformer having terminal line to draw after drying, if the transformer binding post of drawing for contact pin type is dipped into paint, need enter tin sticky in tin stove, eat tin face should comprehensive, smooth, impulse-free robustness, without rosin joint, skeleton without scalding, damage phenomenon.
Advantage of the present invention is:
Present invention employs modification finished product prepared by modified epoxy as main filmogen, whole smooth production process is easily controlled, and finished product consistence significantly improves, and lot stability is good; Select PDDA and pentaerythritol triacrylate as solvent, finished product smell is significantly improved, and decreases environmental pollution to production and application; The resol of thermotolerance adds, and significantly improves paint film temperature classification, improves the work-ing life of final finished; Adding of coupling agent anilinomethyl triethoxysilane, improve the surface smoothness applied with the cohesive strength of base material and wire rod, add the cooperation of all the other various auxiliary agents, the surface quality that final imparting finished product is good, desirable moisture-resistant deformability, excellent oil resistant, moisture blocking property and cohesive strength.
Embodiment
Embodiment 1
A kind of Environment-friendlyepoxy epoxy resin paint for transformer, it is made up of the raw material of following weight parts (kilogram):
Modified epoxy 125, resol 26, alkenyl succinic acid ester 13, PDDA 4, pentaerythritol triacrylate 2, anilinomethyl triethoxysilane 0.3, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.3, polyethyl acrylate 1.2, polyacrylic acid 2, benzoyl peroxide 0.4,2,6 ditertiary butyl p cresol 0.2, defoamer polydimethylsiloxane 0.2.
Preparation method, comprises the following steps:
(1) preparation of modified epoxy: comprise the following steps:
Take following weight (kilogram) raw material: E-20 epoxy resin 71, dicumyl peroxide 6, maleic acid anhydride 5, glycerine 5, nano-calcium carbonate 10, methoxypolyethylene glycol 5;
By the E-20 epoxy resin of above-mentioned weight part, dicumyl peroxide, methoxypolyethylene glycol mixing adds in high-speed mixer, mixing machine stirring velocity is risen at a high speed by low speed, when mixture temperature rises to 80-85 DEG C gradually, add the maleic acid anhydride of above-mentioned weight part, nano-calcium carbonate, stir after within 1-2 minute, making to mix, the glycerine adding above-mentioned weight part again continues to stir 1-2 minute, drip vinyl three ('beta '-methoxy oxyethyl group) silane of methoxypolyethylene glycol weight 1.5% and the anilinomethyl triethoxysilane of 4%, be warming up to 100-110 DEG C, reaction 2-4 hour, lower the temperature and obtain modified epoxy,
(2) by formulation weight part, each raw material is mixed, be heated to 80-88 DEG C, stirring reaction 40-60 minute;
(3) cool, grinding, filter, obtain described Environment-friendlyepoxy epoxy resin paint for transformer.
A kind of Environment-friendlyepoxy epoxy resin paint for transformer, it with dipping paint method is on the transformer:
(1) Environment-friendlyepoxy epoxy resin paint for transformer of the present invention is poured in proportion container, slowly add pentaerythritol triacrylate dilution, measure viscosity with BZ-4 cup, after meeting required viscosity, stop dilution, the paint prepared is poured in immersion trough;
(2) neat for transformer is placed on dipping sieve;
(3) transformer sequenced dipping sieve is hung in immersion trough soak 6 minutes, then hang out and drip paint 10 minutes;
(4) being placed in dripping the complete plug-pin transformer of paint on the iron sieve with iron plate, then iron sieve in layer being stacked on walkie fork lift truck, then pushing and dry in baking oven, drying 2.5 hours at temperature is 95 DEG C; Drip the complete terminal line formula transformer of paint and to be suspended on shelf in ventilation air-dry 1.5 hours, then push and dry in baking oven, at temperature is 85 DEG C, dry 2.5 hours;
(5) outlet cleaning: by the transformer outlet while hot after drying, know transformer remaining paint everywhere and paint knurl, simultaneously iron nameplate and label while hot.
Transformer should while hot by wire arranging to the transformer having terminal line to draw after drying, if the transformer binding post of drawing for contact pin type is dipped into paint, need enter tin sticky in tin stove, eat tin face should comprehensive, smooth, impulse-free robustness, without rosin joint, skeleton without scalding, damage phenomenon.
Performance test:
1, outward appearance: as clear as crystal, inclusion-free bubble-free;
2, viscosity: 1108mpa.s (rotational viscosimeter/30 ± 1 DEG C);
3, thermotolerance: softening temperature is 188 DEG C again;
4, cohesive strength (N/mm
2): 9.8;
5, moisture-resistant sex change (%): 1.2
6, transformer oil resistant (1000h/105 DEG C): paint film is without damage.
Claims (3)
1. an Environment-friendlyepoxy epoxy resin paint for transformer, is characterized in that it is made up of the raw material of following weight parts:
Modified epoxy 118-125, resol 18-26, alkenyl succinic acid ester 13-18, PDDA 3-4, pentaerythritol triacrylate 1-2, anilinomethyl triethoxysilane 0.3-0.6, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.3-0.4, polyethyl acrylate 0.9-1.2, polyacrylic acid 1-2, benzoyl peroxide 0.2-0.4,2,6 ditertiary butyl p cresol 0.2-0.6, defoamer polydimethylsiloxane 0.1-0.2;
The preparation method of described Environment-friendlyepoxy epoxy resin paint for transformer, comprises the following steps:
(1) preparation of modified epoxy: comprise the following steps:
Take following raw materials in part by weight: E-20 epoxy resin 65-71, dicumyl peroxide 5-6, maleic acid anhydride 4-5, glycerine 3-5, nano-calcium carbonate 8-10, methoxypolyethylene glycol 3-5;
By the E-20 epoxy resin of above-mentioned weight part, dicumyl peroxide, methoxypolyethylene glycol mixing adds in high-speed mixer, mixing machine stirring velocity is risen at a high speed by low speed, when mixture temperature rises to 80-85 DEG C gradually, add the maleic acid anhydride of above-mentioned weight part, nano-calcium carbonate, stir after within 1-2 minute, making to mix, the glycerine adding above-mentioned weight part again continues to stir 1-2 minute, drip vinyl three ('beta '-methoxy oxyethyl group) silane of methoxypolyethylene glycol weight 1-1.5% and the anilinomethyl triethoxysilane of 2-4%, be warming up to 100-110 DEG C, reaction 2-4 hour, lower the temperature and obtain modified epoxy,
(2) by formulation weight part, each raw material is mixed, be heated to 80-88 DEG C, stirring reaction 40-60 minute;
(3) cool, grinding, filter, obtain described Environment-friendlyepoxy epoxy resin paint for transformer.
2. a kind of Environment-friendlyepoxy epoxy resin paint for transformer according to claim 1, is characterized in that, it with dipping paint method is on the transformer:
(1) described Environment-friendlyepoxy epoxy resin paint for transformer is poured in proportion container, slowly add pentaerythritol triacrylate dilution, measure viscosity with BZ-4 cup, after meeting required viscosity, stop dilution, the paint prepared is poured in immersion trough;
(2) neat for transformer is placed on dipping sieve;
(3) transformer sequenced dipping sieve is hung in immersion trough and soaks 4-6 minute, then hang out and drip a paint 8-10 minute;
(4) being placed in dripping the complete plug-pin transformer of paint on the iron sieve with iron plate, then iron sieve in layer being stacked on walkie fork lift truck, then pushing and dry in baking oven, at temperature is 75-95 DEG C, dries 2-2.5 hour; Drip the complete terminal line formula transformer of paint and to be suspended on shelf the air-dry 1.5-2 hour in ventilation, then push and dry in baking oven, at temperature is 65-85 DEG C, dry 2-2.5 hour;
(5) outlet cleaning: by the transformer outlet while hot after drying, remove transformer remaining paint everywhere and paint knurl, label while hot simultaneously famous brand and.
3. Environment-friendlyepoxy epoxy resin paint for transformer according to claim 2 dipping paint method on the transformer, it is characterized in that transformer should while hot by wire arranging to the transformer having terminal line to draw after drying, if the transformer binding post of drawing for contact pin type is dipped into paint, tin sticky in tin stove need be entered, eat tin face should comprehensive, smooth, impulse-free robustness, without rosin joint, skeleton without scald, damage phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210534322.5A CN103013297B (en) | 2012-12-12 | 2012-12-12 | A kind of Environment-friendlyepoxy epoxy resin paint for transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210534322.5A CN103013297B (en) | 2012-12-12 | 2012-12-12 | A kind of Environment-friendlyepoxy epoxy resin paint for transformer |
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| Publication Number | Publication Date |
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| CN103013297A CN103013297A (en) | 2013-04-03 |
| CN103013297B true CN103013297B (en) | 2015-12-09 |
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| CN201210534322.5A Active CN103013297B (en) | 2012-12-12 | 2012-12-12 | A kind of Environment-friendlyepoxy epoxy resin paint for transformer |
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| CN103205152A (en) * | 2013-04-10 | 2013-07-17 | 吕金海 | Green environment-friendly diluent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887992A (en) * | 2006-07-19 | 2007-01-03 | 江苏中矿大正表面工程技术有限公司 | Nanometer modified epoxy sealing paint and its prepn |
| CN101302392A (en) * | 2008-06-05 | 2008-11-12 | 吴江市太湖绝缘材料厂 | Insulated paint for high-temperature electric moter |
| CN101892005A (en) * | 2010-07-23 | 2010-11-24 | 吴江市太湖绝缘材料有限公司 | Halogen-free flame retardant high-temperature resistant insulating paint for motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05202332A (en) * | 1992-01-27 | 1993-08-10 | Taiyo Ink Seizo Kk | Liquid photo-solder resist ink composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887992A (en) * | 2006-07-19 | 2007-01-03 | 江苏中矿大正表面工程技术有限公司 | Nanometer modified epoxy sealing paint and its prepn |
| CN101302392A (en) * | 2008-06-05 | 2008-11-12 | 吴江市太湖绝缘材料厂 | Insulated paint for high-temperature electric moter |
| CN101892005A (en) * | 2010-07-23 | 2010-11-24 | 吴江市太湖绝缘材料有限公司 | Halogen-free flame retardant high-temperature resistant insulating paint for motor |
Non-Patent Citations (1)
| Title |
|---|
| 纳米碳酸钙粒子改性环氧树脂胶粘剂性能研究;张晓艳;《复合材料加工》;20120630(第3期);第43-46页 * |
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Address after: 244000 Private Industrial Park, Tongling Bridge Economic Development Zone, Anhui, Tongling Patentee after: Tongling Sanjia transformer Polytron Technologies Inc Address before: 244000 Anhui province Tongling City suburb Bridge Economic Development Zone Private Industrial Park Patentee before: Tongling Sanjia Transformer Co., Ltd. |